Lynn Hironaka, M.D.
NPI 1902885791 · Developmental - Behavioral Pediatrics Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynn Hironaka, M.D. is a Developmental - Behavioral Pediatrics Physician provider in Boston, MA (NPI 1902885791).
Provider details
- NPI number
- 1902885791
- Entity type
- Individual
- Primary specialty
- Developmental - Behavioral Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 221381 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-11
- Last updated
- 2014-07-10
Frequently asked questions
- What is Lynn Hironaka's NPI number?
- Lynn Hironaka's National Provider Identifier (NPI) is 1902885791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Hironaka's specialty?
- Lynn Hironaka is listed in the NPPES registry with a primary specialty of Developmental - Behavioral Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Lynn Hironaka located?
- Lynn Hironaka's practice location on file with NPPES is 850 Harrison Ave, Boston, MA 02118-4001.
- What is Lynn Hironaka's phone number?
- The practice phone number listed in the NPPES registry for Lynn Hironaka is (617) 414-4841.
- Does Lynn Hironaka accept Medicare?
- Lynn Hironaka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynn Hironaka's NPI active?
- Yes — Lynn Hironaka's NPI (1902885791) is active in the NPPES registry as of the last update on 2014-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.